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    Product name Specifications Packing Unit price / yuan
    Sodium hypochlorite standard solution
    Potassium oxalate standard solution
    Oxalate standard night
    Red bright red labeling liquid
    CYDTA standard liquid 0.1 mol/L 50ml
    Trichlorfon labeled liquid 100ppm 1ml
    Iodine-potassium iodide standard solution
    Conductivity standard sample
    P-Dimethylaminobenzaldehyde standard solution
    Succinic acid standard solution
    Polycyclic aromatic hydrocarbon standard
    Sodium iodide standard solution
    Mixed standard of p-cresol and methanol
    Indigo labeled solution
    Iodine ion standard solution
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